LM317 datasheet(8/12 Pages) ONSEMI

Part #	LM317

Description	1.5 A Adjustable Output, Positive Voltage Regulator

Download	12 Pages

Scroll/Zoom	100%

Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

Logo

8 / 12 page

LM317

http://onsemi.com

8

Figure 19. D2PAK Thermal Resistance and Maximum

Power Dissipation versus P.C.B. Copper Length

2.0 oz. Copper

L

30

40

50

60

70

80

010

20

30

25

15

5.0

L, LENGTH OF COPPER (mm)

1.0

1.5

2.0

2.5

3.0

3.5

Minimum

Size Pad

Free Air

Mounted

Vertically

RθJA

PD(max) for TA = +50°C

Figure 20. ‘‘Laboratory’’ Power Supply with Adjustable Current Limit and Output Voltage

D6*

1N4002

Vin

32 V to 40 V

Vin1

LM317

(1)

Adjust 1

Vout1 RSC

Vin2

Vout 2

Iout

Vout

IN4001

240

D5

1N4001

+

1.0 µF

Tantalum

1.0K

Current

Limit

Adjust

Q1

2N3822

5.0 k

Adjust 2

Voltage

Adjust

+

10 µF

D3

D4

D1

1N4001

Q2

2N5640

-10 V

Output Range:0 ≤ VO ≤ 25 V

Output Range: 0 ≤ IO ≤ 1.5 A

* Diodes D1 and D2 and transistor Q2 are added to

* allow adjustment of output voltage to 0 V.

* D6 protects both LM317's during an input short circuit.

D2

1N4001

-10 V

0.1 µF

LM317

(2)

Similar Part No. - LM317

Manufacturer	Part #	Datasheet	Description
National Semiconductor ...	LM317	645Kb / 25P	3-Terminal Adjustable Regulator
Tiger Electronic Co.,Lt...	LM317	157Kb / 3P	3-Terminal Positive Adjustable Regulator
List of Unclassifed Man...	LM317	308Kb / 3P	3-TERMINAL 1.5A POSITIVE ADJUSTABLE VOLTAGE REGULATOR
E-Tech Electronics LTD	LM317	255Kb / 5P	HIGH CURRENT 1.3V TO 37V ADJUSTABLE VOLTAGE REGULATOR
STMicroelectronics	LM317	99Kb / 11P	1.2V TO 37V VOLTAGE REGULATOR

More results

Similar Description - LM317

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	LM317	172Kb / 12P	1.5 A Adjustable Output, Positive Voltage Regulator October, 2011 ??Rev. 12
	LM317LB	188Kb / 12P	1.5 A Adjustable Output Positive Voltage Regulator April, 2013 ??Rev. 13
	NCP317BTG	208Kb / 12P	1.5 A Adjustable Output, Positive Voltage Regulator April, 2013 ??Rev. 13
	LM317	127Kb / 12P	1.5 A Adjustable Output, Positive Voltage Regulator January, 2016 ??Rev. 14
	NCV317	133Kb / 12P	1.5 A Adjustable Output, Positive Voltage Regulator August, 2005 ??Rev. 8
KODENSHI_AUK CORP.	SN317PI	401Kb / 8P	[ 1.5 A Adjustable Output ] Positive Voltage Regulator
ON Semiconductor	LM317	146Kb / 12P	1.5 A Adjustable Output, Positive Voltage Regulator August, 2006 ??Rev. 9
	LM337AT	160Kb / 10P	1.5 A, Adjustable Output, Negative Voltage Regulator April, 2012 ??Rev. 9
	LM337	133Kb / 10P	1.5 A, Adjustable Output, Negative Voltage Regulator August, 2006 ??Rev. 6
	LM337	123Kb / 11P	1.5 A, Adjustable Output Negative Voltage Regulator January, 2015 ??Rev. 10

More results

LM317 Datasheet(PDF) 8 Page - ON Semiconductor

LM317 Datasheet(HTML) 8 Page - ON Semiconductor

Similar Part No. - LM317

Similar Description - LM317

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

Datasheet Download

Link URL